Comparative aspects on the epoxidation of soybean oil and high oleic soybean oil

Author:

de Quadros Jacyr Vianna1,Ferreira Luiz Felipe Silva1,Olivieri Gustavo Vieira12ORCID,Karis Dylan3,Giudici Reinaldo1

Affiliation:

1. Department of Chemical Engineering, Escola Politécnica Universidade de São Paulo São Paulo Brazil

2. Department of Chemical Engineering Centro Universitário FEI São Bernardo do Campo Brazil

3. Airable Research Lab Delaware Ohio USA

Abstract

AbstractSoybean oil (SO) epoxidation is an extensively studied method to generate a sustainable plasticizer for polyvinyl chloride (PVC). Standard soybean oil is composed of triglycerides whose fatty acids are primarily unsaturated linoleic, oleic, and linolenic acids. High oleic soybean oil (HOSO) is collected from a soybean variety higher in oleic acid than other acids. The present study focused on a preliminary comparison of the epoxidation reaction behavior between SO and HOSO, conducted isoperibolically and without catalysts. The experimental data were modeled by a kinetic model. Considerable differences in the temperature and oxirane index profiles suggest that the epoxidation of HOSO tends to be faster and with a more intense heat release rate than the epoxidation of SO, which was confirmed by the results of estimated kinetic constants. The data collected and shared herein suggest that a first epoxy group generated may cause steric hindrance to slow the epoxidation in the second and third double bonds of the oil.

Funder

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Fundação de Amparo à Pesquisa do Estado de São Paulo

Publisher

Wiley

Subject

Organic Chemistry,General Chemical Engineering

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